【主谓一致的题】在英语语法中,“主谓一致”是学习者常常遇到的一个难点。它指的是句子中的主语和谓语动词在人称和数上要保持一致。例如,当主语是单数时,动词要用第三人称单数形式;而当主语是复数时,动词则用原形。掌握这一规则对于正确使用英语至关重要。
为了帮助大家更好地理解和记忆主谓一致的相关知识,以下是对常见主谓一致问题的总结,并通过表格形式进行分类展示。
一、主谓一致的基本原则
1. 单数主语 + 第三人称单数动词(-s 或 -es)
例:He runs every morning.
2. 复数主语 + 动词原形
例:They run every morning.
3. 不定代词如 each, every, either, neither 等作主语时,通常视为单数
例:Each of the students has a book.
4. 集合名词如 family, team, group 等,根据上下文决定单复数
例:The team is winning.(强调整体)
例:The team are arguing.(强调成员)
5. 某些以-s 结尾的学科名称或书名作主语时,通常视为单数
例:Maths is my favorite subject.
二、易混淆的主谓一致情况
情况 | 举例 | 正确动词形式 | 错误示例 |
主语为“one of + 复数名词” | One of the teachers is absent. | is | One of the teachers are absent. |
主语为“the number of + 复数名词” | The number of students is increasing. | is | The number of students are increasing. |
主语为“a number of + 复数名词” | A number of students are absent. | are | A number of students is absent. |
主语为“either...or...”结构 | Either the teacher or the students are responsible. | are | Either the teacher or the students is responsible. |
主语为“neither...nor...”结构 | Neither the boy nor the girls are coming. | are | Neither the boy nor the girls is coming. |
主语为“there be”句型 | There is a book on the table. | is | There are a book on the table. |
三、特殊主语与动词搭配
特殊主语 | 动词形式 | 说明 |
“Many a + 单数名词” | 动词用单数 | Many a student has passed the exam. |
“A lot of / lots of + 名词” | 根据名词单复数变化 | A lot of people are coming. / A lot of information is needed. |
“More than one + 单数名词” | 动词用单数 | More than one person was injured. |
“The + 形容词”表示一类人 | 动词用复数 | The poor are suffering. |
四、总结
主谓一致虽然看似简单,但在实际运用中容易出错。关键在于准确判断主语的单复数形式,并根据语境选择合适的动词形式。建议多做练习题,结合语境理解规则,才能真正掌握这一语法点。
附:主谓一致速查表(简版)
主语类型 | 动词形式 | 示例 |
单数主语 | 第三人称单数 | He goes to school. |
复数主语 | 原形 | They go to school. |
不定代词(each, every) | 单数 | Each student has a book. |
集合名词(team, family) | 视情况 | The team is winning. |
以-s结尾的学科名 | 单数 | Maths is difficult. |
有“a number of”结构 | 复数 | A number of people are here. |
通过不断练习和积累,主谓一致的问题将不再是难题。